4 Retired Tags

In this chapter we collect tags which have retired for some reason. They can still be referenced, but are no longer part of the main text.


  • Section 4.1: Expanded Tags
  • Section 4.2: Tags without Context
  • Section 4.3: Obsolete Constructions
  • Section 4.4: Reclassified Tags
  • Section 4.5: Retired Subsections
    • Subsection 4.5.1: The Universal Property of $\mathrm{h} \mathit{\operatorname{\mathcal{C}}}$